[arm] Add default FPU for Marvell-pj4
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Message ID 77d6452d-80cc-b2e0-92ab-a10ca6eae029@arm.com
State New
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  • [arm] Add default FPU for Marvell-pj4
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Commit Message

Richard Earnshaw (lists) Oct. 17, 2019, 1:56 p.m. UTC
According to GAS, the Marvell PJ4 CPU has a VFPv3-D16 floating point 
unit, but GCC's CPU configuration tables omits this, meaning that 
-mfpu=auto will not correctly select the FPU.  This patch fixes this by 
adding the +fp option to the architecture specification for this device.

	* config/arm/arm-cpus.in (marvel-pj4): Add +fp to the architecture.

Committed to trunk.

Patch
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diff --git a/gcc/config/arm/arm-cpus.in b/gcc/config/arm/arm-cpus.in
index f8a3b3db67a..50379a0a10a 100644
--- a/gcc/config/arm/arm-cpus.in
+++ b/gcc/config/arm/arm-cpus.in
@@ -1150,7 +1150,7 @@  end cpu cortex-m3
 
 begin cpu marvell-pj4
  tune flags LDSCHED
- architecture armv7-a+mp+sec
+ architecture armv7-a+mp+sec+fp
  costs marvell_pj4
 end cpu marvell-pj4